import logging
from redis import StrictRedis


class Config(object):
    # 项目配置

    SECRET_KEY = 'URCSVlyZkCMAvr+M8MpwkINElCCb7KisB4NxeMszAblzaQddk1wfHR7we+kTYYvw'

    # 为mysql添加配置
    SQLALCHEMY_DATABASE_URI = 'mysql://root:mysql@127.0.0.1:3306/information28'
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    # 在请求结束时，指定此配置为True，那么SQLAlchemy会自动执行一次db.session.commit()
    SQLALCHEMY_COMMIT_ON_TEARDOWN = True

    # redis的配置
    REDIS_HOST = '127.0.0.1'
    REDIS_PORT = 6379

    # session保存配置
    SESSION_TYPE = 'redis'
    # 开启session签名
    SESSION_USE_SIGNER = True
    # 指定Session保存到redis
    SESSION_REDIS = StrictRedis(host=REDIS_HOST, port=REDIS_PORT)
    # 设置需要过期
    SESSION_PERMANENT = False
    # 设置过期时间
    PERMANENT_SESSION_LIFETIME = 86400 * 2

    # 设置日志等级
    LOG_LEVEL = logging.DEBUG


class DevelopmentConfig(Config):
    """开发环境下配置"""
    DEBUG = True


class ProductionConfig(Config):
    """生产环境下的配置"""
    DEBUG = False
    LOG_LEVEL = logging.WARNING


class TestingConfig(Config):
    """单元测试环境下的配置"""
    DEBUG = True
    TESTING = True


config = {
    'development': DevelopmentConfig,
    'production': ProductionConfig,
    'testing': TestingConfig
}